Negative Side Waterproofing

Several waterproofing systems can be applied to the negative pressure inner side. KÖSTER KD 2 Blitz Powder and KÖSTER Waterstop can be applied to stop small leaks. Joints can be repaired with KÖSTER Repair Mortar or KÖSTER Repair Mortar Plus and KÖSTER NB 1 Grey can even be applied on surfaces as negative side waterproofing.